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£520,944
1927 Miller 91 "Boyle Valve" Special
United States • 14 Mar 2015
Vehicle Details
AI Listing Summary
This is a meticulously built 1927 Miller 91 "Boyle Valve" Special tribute car featuring an extremely rare original Miller 91 engine, gearbox, and rear end. The car received awards at prestigious Concours d’Elegance events and is well-known within the Miller enthusiast community.
Condition
9
While this car is a tribute build, it includes many original components and was restored to a very high standard. The listing mentions awards at Pebble Beach and Meadow Brook Concours d’Elegance, suggesting exceptional condition.
/ 10
Transmission:
Manual
Chassis No:
[Chassis No]
Odometer:
[Odometer Reading]
Reg Number:
[Reg Number]
RHD/LHD:
[RHD/LHD]
155–250 bhp, 90.2 cu.
in.
DOHC 16-valve inline eight-cylinder engine with a supercharger and one updraft carburetor, three-speed Miller manual transmission, front-beam axle with semi-elliptic leaf springs, live rear axle with semi-elliptic leaf springs, and four-wheel drum brakes.
Wheelbase: 100 in.
The Miller 91 was a true tour de force of rear-wheel-drive racing technology.
It was so successful and its domination on speedways of the 1920s was so complete, that it was effectively responsible for its own demise.
The AAA’s rule change for 1930 to the “Junk Formula” was, in fact, adopted to stop the Miller 91’s seemingly unstoppable winning streak.
When the rule change that limited displacement to 1½ liters (91 cubic inches) was announced for the 1926 racing season, Harry Miller could have merely shortened the stroke of his nearly unbeatable 122-cubic inch engine and continued producing and selling the rear-drive race car that he first introduced in 1923.
Instead, in typical fash...
Points of note
£524,222
Lowest Price (Since 2020)
£527,942
Median Price (Since 2020)
£531,662
Highest Price (Since 2020)
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Rare Sale
This vehicle comes to market rarely. In auction records we've only seen 3 sold before
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